Originally Posted by Wizard
Sounds like you pulled the threads out of the oil tank when you removed the bolt - the spring is the threads! May be able to use a heli-coil kit to replace the threads in the tank.
I didn't even think of the "spring" being the coil of thread...
I have used lots of helicoil kits over the years for head studs, case covers and spark plugs, shouldn't be a big issue for that oiltank repair.
'Course in my yard, we'ed just JB weld the holes shut and melt a dipstick into the oil cap...